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  1. #1
    Senior Tech 100+ Posts
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    imagePRESS C800 - No yellow

    Hello,

    I'm getting no yellow at all.

    New drum and dev, no yellow on drum, tried swapping dev motors but still the same.

    I'm assuming laser, do they have shutters on this model?

    Thanks in advance

  2. #2
    Field Supervisor 500+ Posts roho's Avatar
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    Re: imagePRESS C800 - No yellow

    Are you getting any alarm codes? If there is a issue with the laser the device will often give a alarm code for the color reg or gradation not able to be completed. The alarm codes only appear in service mode.

  3. #3
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    Re: imagePRESS C800 - No yellow

    Thanks for that, I forgot about alarm codes! (Look after too many manufactures).

    I'm going back tomorrow, will check then.

    I'm getting error E029-7021-05 (yellow density error).

    Thanks for your help.

    Quote Originally Posted by roho View Post
    Are you getting any alarm codes? If there is a issue with the laser the device will often give a alarm code for the color reg or gradation not able to be completed. The alarm codes only appear in service mode.

  4. #4
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    Re: imagePRESS C800 - No yellow

    Looks like the dev drive belt is worn.

    Ordered a new set

  5. #5
    Service Manager 10,000+ Posts
    imagePRESS C800 - No yellow

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    Re: imagePRESS C800 - No yellow

    Quote Originally Posted by fatfingers73 View Post
    Hello,

    I'm getting no yellow at all.

    New drum and dev, no yellow on drum, tried swapping dev motors but still the same.

    I'm assuming laser, do they have shutters on this model?

    Thanks in advance
    Have u Checked the wire harness for the registration patch read sensor assembly, & checked and cleaned the ITB assembly and primary transfer rollers. 😎
    **Knowledge is time consuming, exhausting and costly for a trained Tech.**

  6. #6
    Senior Tech 100+ Posts khattab.al.masry's Avatar
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    Re: imagePRESS C800 - No yellow

    We face the same problem with cyan color with code e029-5021
    The cause was worn out of gears in dev. stirring motor we replaced the motor and machine worked in fine.

    Sent from my CPH2015 using Tapatalk

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